Medical Liabilities - Schedule of Medical Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Medical Liabilities [Roll Forward]
Medical liabilities, beginning of period	$ 55,783	$ 50,330
Acquired (see Note 3)	1,609	0
Components of medical care costs related to claims incurred:
Current period	313,325	158,739
Prior periods	(950)	(1,293)
Total medical care costs	312,375	157,446
Payments for medical care costs related to claims incurred:
Current period	(204,032)	(103,302)
Prior periods	(53,978)	(45,130)
Total paid	(258,010)	(148,432)
Adjustments	742	(37)
Medical liabilities, end of period	$ 112,499	$ 59,307